Locking device on extension pole



FIG. 1 is a right perspective view of a locking device on extension pole showing my new design, shown separately without extension pole for clarity;

FIG. 2 is a rear left perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a rear view thereof.

FIG. 9 is a left perspective view of a locking device on extension pole, shown along with extension pole;

FIG. 10 is a rear right perspective view thereof;

FIG. 11 is a top view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a front view thereof; and,

FIG. 16 is a rear view thereof.

The broken lines in FIGS. 9-16 indicate undetermined length of extension pole and form no part of the claimed design. FIGS. 1-8 and 11-12 are shown in enlarged scale for more clarity. 

CLAIM The ornamental design for a locking device on extension pole, as shown and described. 